1 files changed, 42 insertions, 0 deletions
diff --git a/src/2geom/region.cpp b/src/2geom/region.cpp
new file mode 100644
index 000000000..cfab3a35a
--- /dev/null
+++ b/src/2geom/region.cpp
@@ -0,0 +1,42 @@
+#include "region.h"
+#include "utils.h"
+
+#include "shape.h"
+
+namespace Geom {
+
+Regions sanitize_path(Path const &p) {
+    Regions results;
+    Crossings crs = self_crossings(p);
+    for(unsigned i = 0; i < crs.size(); i++) {
+        
+    }
+}
+
+Region Region::operator*(Matrix const &m) const {
+    Region r((m.flips() ? boundary.reverse() : boundary) * m, fill);
+    if(box && m.onlyScaleAndTranslation()) r.box = (*box) * m;
+    return r;
+}
+
+bool Region::invariants() const {
+    return self_crossings(boundary).empty();
+}
+
+unsigned outer_index(Regions const &ps) {
+    if(ps.size() <= 1 || ps[0].contains(ps[1])) {
+        return 0;
+    } else {
+        /* Since we've already shown that chunks[0] is not outside
+           it can be used as an exemplar inner. */
+        Point exemplar = Path(ps[0]).initialPoint();
+        for(unsigned i = 1; i < ps.size(); i++) {
+            if(ps[i].contains(exemplar)) {
+                return i;
+            }
+        }
+    }
+    return ps.size();
+}
+
+}